为flask_twip添加图片代理

gistfile1.py

    def getimg(self):
        imgurl = request.args.get('imgurl','')
        if len(imgurl) == 0:
            return '<form action="/twip/getimg" method="get"><input type="text"  size="50" name="imgurl" /> <input type="submit" value="submit" />' 
        urlobj = urllib2.urlopen(imgurl)
        header = urlobj.info()
        headers = {} 
        headers['Content-Type'] = header.get('Content-Type','image/png')
        content = urlobj.read()
        status = urlobj.getcode()
        respon = make_response((content,status,headers)) 
        return respon